=== Data Processing Example ===
Processing 3 records...

People in database:
- Alice (30 years old)
  Hobbies: Reading, Gaming
- Bob (25 years old)
  Hobbies: Sports, Music
- Charlie (35 years old)
  Hobbies: Cooking, Travel

Statistics:
- Total people: 3
- Average age: 30.0
- Youngest: Bob (25 years old)
- Oldest: Charlie (35 years old)
- Total hobbies: 6
- Most hobbies: Alice (2)

Age Groups:
- 30 and over: 2 people
- Under 30: 1 people

Result: Data processing completed. Analyzed 3 people with 6 total hobbies.